#slider-main {
    position: relative;
}

.main-slider__title {
    z-index: 1;
}

#slider-main::before {
    content: '';
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(0deg,rgba(0, 0, 0, .6) 0%, transparent 40%);
}